BS EN 754-7-2008 铝和铝合金.冷拉杆材/棒材和管材.无缝管尺寸和形状公差

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【英文标准名称】:Aluminiumandaluminiumalloys—Colddrawnrod/barandtube—Part7:Seamlesstubes,tolerancesondimensionsandform
【原文标准名称】:铝和铝合金.冷拉杆材/棒材和管材.无缝管尺寸和形状公差
【标准号】:BSEN754-7-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-04-30
【实施或试行日期】:2008-04-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:铝;铝合金;铝管;棒材;圆管;凹形;凸形;尺寸;拉拔;偏心率;挤压的;斜坡(屋顶);形状公差;长度;极限偏差;材料;测量;测量技术;有色金属合金;有色金属;管;杆材;矩形性;无缝的;无缝冷拉;无缝管;半成品;平直度;公差(测量);加捻;壁厚
【英文主题词】:Aluminium;Aluminiumalloys;Aluminiumpipes;Bars(materials);Circulartubes;Concave;Convex;Dimensions;Drawn;Eccentricity;Extruded;Fall(roof);Formtolerances;Length;Limitdeviations;Materials;Measurement;Measuringtechniques;Non-ferrousalloys;Non-ferrousmetals;Pipes;Poles;Rectangularity;Seamless;Seamlessdrawn;Seamlesspipes;Semi-finishedproducts;Straightness;Tolerances(measurement);Twisting;Wallthicknesses
【摘要】:Thisdocumentspecifiesthetolerancesondimensionsandformforaluminiumandaluminiumalloyscolddrawnseamlesstubeswithanoutsidediameter(OD)from3mmto350mm(roundtube,seeFigure1)orwithacrosssectioncontainedwithinacircumscribingcircle(CD)from8mmto300mm(otherthanroundtube,seeFigure2)suppliedinstraightlengths.Thisstandardonlyappliestotubeproducedbytheseamlessdie/mandrelmethodofextrusion(andthencolddrawntothefinaldimensionsrequired).ThetemperdesignationsusedinthispartareaccordingtoEN515.Thisdocumentappliestocolddrawn,seamlesstubeforgeneralengineeringapplications.Thisdocumentdoesnotapplyto:?colddrawntubeproducedbytheporthole/bridgemethod(EN754-8),?tubesdeliveredincoils(EN13958),?coiledtubescuttolength(EN13958).Figure1—RoundtubeFigure2—Circumscribingcircleforotherthanroundtube
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:20P.;A4
【正文语种】:英语